#include "widget.h"
#include "ui_widget.h"
#include <QPushButton>
Widget::Widget(QWidget *parent)
    : QWidget(parent)
    , ui(new Ui::Widget)
{


QPushButton* btn = new QPushButton(this);
btn->setGeometry(0,0,100, 100);
btn->setText("hello");
btn->setStyleSheet("QPushButton {border: 5px solid red; margin
                   : 20px;}");
}

Widget::~Widget()
{
    delete ui;
}

